733440064 has 56 divisors (see below), whose sum is σ = 1666768320. Its totient is φ = 313683456.

The previous prime is 733440053. The next prime is 733440079. The reversal of 733440064 is 460044337.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261582 + ... + 264370.

It is an arithmetic number, because the mean of its divisors is an integer number (29763720).

Almost surely, 2^733440064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833384160).

733440064 is an abundant number, since it is smaller than the sum of its proper divisors (933328256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

733440064 is a wasteful number, since it uses less digits than its factorization.

733440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 733440064 is about 27082.0985892896. The cubic root of 733440064 is about 901.8234897640.

The spelling of 733440064 in words is "seven hundred thirty-three million, four hundred forty thousand, sixty-four".